On the basis of lithofacies palaeogeographic map , the sedimentary and lithofacies palaeogeographic characteristics of the middle yangtze region during the late sinian and early cambrian are also described
2.
Six lithofacies palaeogeographic maps of doushantuo , dengying , qiongzhusi , canglangpu , and longwangmiao ages of late sinian and early cambrian have been made in the light of dominant facies and in the way to make stratigraphic map
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